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treewide: only define feature macros when the feature is available

Browse source 
Most feature checks already use #ifdef, and do not care about
the value of the macro. Convert all feature checks to do that,
and simplify the meson build scripts by replacing

  if cond
    cdata.set('X', 1)
  endif

with

  cdata.set('X', cond)
This commit is contained in:
Barnabás Pőcze 2022-02-03 18:52:54 +01:00
parent 140378efd6
commit 15e7a61aa7
15 changed files with 49 additions and 83 deletions
Download patch file Download diff file Expand all files Collapse all files

68
meson.build
View file

@ -218,38 +218,29 @@ check_headers = [
]
foreach h : check_headers
if cc.has_header(h.get(0))
cdata.set(h.get(1), 1)
endif
cdata.set(h.get(1), cc.has_header(h.get(0)))
endforeach
if cc.has_function('gettid', prefix : '#include<unistd.h>', args: [ '-D_GNU_SOURCE' ])
cdata.set('HAVE_GETTID', 1)
endif
check_functions = [
['gettid', '#include <unistd.h>', ['-D_GNU_SOURCE']],
['memfd_create', '#include <sys/mman.h>', ['-D_GNU_SOURCE']],
['getrandom', '#include <stddef.h>\n#include <sys/random.h>', ['-D_GNU_SOURCE']],
['sigabbrev_np', '#include <string.h>', ['-D_GNU_SOURCE']],
]
if cc.has_function('memfd_create', prefix : '#include <sys/mman.h>', args : [ '-D_GNU_SOURCE' ])
cdata.set('HAVE_MEMFD_CREATE', 1)
endif
foreach f : check_functions
cdata.set('HAVE_' + f.get(0).to_upper(),
cc.has_function(f.get(0), prefix: f.get(1), args: f.get(2)))
endforeach
if cc.has_function('getrandom', prefix : '#include <stddef.h>\n#include <sys/random.h>', args : [ '-D_GNU_SOURCE' ])
cdata.set('HAVE_GETRANDOM', 1)
endif
if cc.has_function('sigabbrev_np', prefix : '#include <string.h>', args : [ '-D_GNU_SOURCE' ])
cdata.set('HAVE_SIGABBREV_NP', 1)
endif
if cc.get_define('SYS_pidfd_open', prefix : '#include <sys/syscall.h>') != ''
cdata.set('HAVE_PIDFD_OPEN', 1)
endif
cdata.set('HAVE_PIDFD_OPEN',
cc.get_define('SYS_pidfd_open', prefix: '#include <sys/syscall.h>') != '')
systemd = dependency('systemd', required: get_option('systemd'))
systemd_dep = dependency('libsystemd',required: get_option('systemd'))
summary({'systemd conf data': systemd.found()}, bool_yn: true)
summary({'libsystemd': systemd_dep.found()}, bool_yn: true)
if systemd.found() and systemd_dep.found()
cdata.set('HAVE_SYSTEMD', 1)
endif
cdata.set('HAVE_SYSTEMD', systemd.found() and systemd_dep.found())
configinc = include_directories('.')
includes_inc = include_directories('include')
@ -276,9 +267,7 @@ dl_lib = cc.find_library('dl', required : false)
pthread_lib = dependency('threads')
dbus_dep = dependency('dbus-1', required : get_option('dbus'))
summary({'dbus (Bluetooth, rt, portal, pw-reserve)': dbus_dep.found()}, bool_yn: true, section: 'Misc dependencies')
if dbus_dep.found()
cdata.set('HAVE_DBUS', 1)
endif
cdata.set('HAVE_DBUS', dbus_dep.found())
sdl_dep = dependency('sdl2', required : get_option('sdl2'))
summary({'SDL2 (video examples)': sdl_dep.found()}, bool_yn: true, section: 'Misc dependencies')
drm_dep = dependency('libdrm', required : false)
@ -292,9 +281,7 @@ summary({'readline (for pw-cli)': readline_dep.found()}, bool_yn: true, section:
ncurses_dep = dependency('ncursesw', required : false)
sndfile_dep = dependency('sndfile', version : '>= 1.0.20', required : get_option('sndfile'))
summary({'sndfile': sndfile_dep.found()}, bool_yn: true, section: 'pw-cat/pw-play/pw-dump/filter-chain')
if sndfile_dep.found()
cdata.set('HAVE_SNDFILE', 1)
endif
cdata.set('HAVE_SNDFILE', sndfile_dep.found())
pulseaudio_dep = dependency('libpulse', required : get_option('libpulse'))
summary({'libpulse': pulseaudio_dep.found()}, bool_yn: true, section: 'Streaming between daemons')
avahi_dep = dependency('avahi-client', required : get_option('avahi'))
@ -311,14 +298,10 @@ summary({'libcanberra (x11-bell)': canberra_dep.found()}, bool_yn: true,
libusb_dep = dependency('libusb-1.0', required : get_option('libusb'))
summary({'libusb (Bluetooth quirks)': libusb_dep.found()}, bool_yn: true, section: 'Backend')
if libusb_dep.found()
cdata.set('HAVE_LIBUSB', 1)
endif
cdata.set('HAVE_LIBUSB', libusb_dep.found())
cap_lib = dependency('libcap', required : false)
if cap_lib.found()
cdata.set('HAVE_LIBCAP', 1)
endif
cdata.set('HAVE_LIBCAP', cap_lib.found())
gst_option = get_option('gstreamer')
gst_deps_def = {
@ -353,18 +336,13 @@ endforeach
gst_dp_found = gst_dep.length() > 0
summary({'gstreamer-device-provider': gst_dp_found}, bool_yn: true, section: 'Backend')
if not get_option('gstreamer-device-provider').disabled()
cdata.set('HAVE_GSTREAMER_DEVICE_PROVIDER', 1)
endif
cdata.set('HAVE_GSTREAMER_DEVICE_PROVIDER', not get_option('gstreamer-device-provider').disabled())
webrtc_dep = dependency('webrtc-audio-processing',
version : ['>= 0.2', '< 1.0'],
required : get_option('echo-cancel-webrtc'))
summary({'WebRTC Echo Canceling': webrtc_dep.found()}, bool_yn: true, section: 'Misc dependencies')
if webrtc_dep.found()
cdata.set('HAVE_WEBRTC', 1)
endif
cdata.set('HAVE_WEBRTC', webrtc_dep.found())
# On FreeBSD, epoll-shim library is required for eventfd() and timerfd()
epoll_shim_dep = (build_machine.system() == 'freebsd'
@ -400,9 +378,7 @@ summary({'OpenSSL (for raop-sink)': openssl_lib.found()}, bool_yn: true)
lilv_lib = dependency('lilv-0', required: get_option('lv2'))
summary({'lilv (for lv2 plugins)': lilv_lib.found()}, bool_yn: true)
if lilv_lib.found()
cdata.set('HAVE_LILV', 1)
endif
cdata.set('HAVE_LILV', lilv_lib.found())
installed_tests_metadir = pipewire_datadir / 'installed-tests' / pipewire_name
installed_tests_execdir = pipewire_libexecdir / 'installed-tests' / pipewire_name
@ -411,7 +387,7 @@ installed_tests_template = files('template.test.in')
if not get_option('tests').disabled()
gstack = find_program('gstack', required : false)
cdata.set10('HAVE_GSTACK', gstack.found())
cdata.set('HAVE_GSTACK', gstack.found())
endif
subdir('po')